Introduction

It must be difficult to find customers who have never thought about moving their enter-prise workloads to the cloud. Some of them decide to build hybrid clouds, while others migrate all of their resources in order to make an all-in-the-cloud model. However, almost everyone is concerned about security and it often becomes an obstacle on their road to cloud. How can you be sure that your data is kept securely and that only you have access to it? Since a VM is just a set of files that can be copied by bad guys from the cloud's provider and then simply used on other systems,  your competitors may be able to get access to that data and steal your client's database, personal data, administrator credentials, confidential data, and so on. More simply, compromised backup admins can restore your VM and do anything with your confidential data. Cloud providers...